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N-COUNT
金库;保险库
A vault is a secure room where money and other valuable things can be kept safely.
例句
Most of the money was in storage in bank vaults...
大部分钱都存放在银行的保险库里。
The gold recovered so far is being held in a vault at a secret location.
到目前为止，找回来的金子都保存在一个秘密地点的金库中。
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N-COUNT
（通常指安葬同一家族死者的）教堂地下室，墓穴,墓室
A vault is a room underneath a church or in a cemetery where people are buried, usually the members of a single family.
例句
He ordered that Matilda's body should be buried in the family vault.
他指示马蒂尔达的遗体必须葬在家族墓穴里。
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N-COUNT
拱顶;穹窿
A vault is an arched roof or ceiling.
例句
...the vault of a great cathedral.
一座大教堂的拱顶
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VERB
（尤指用手支撑）跳跃,跳过
If you vault something or vault over it, you jump quickly onto or over it, especially by putting a hand on top of it to help you balance while you jump.
例句
He could easily vault the wall...
他可以轻松地翻过墙去。
Ned vaulted over a fallen tree...
内德跳过一棵倒下的树。